Protective cover for diaphragm valve

Abstract

The protective cover for the diaphragm valve comprises an outer cover, a reinforcing piece and a sleeve, the sleeve is provided with a through middle through hole, and the top of the sleeve is provided with a first installation end face, a second installation end face, a first fixing piece and a second fixing piece. The first fixing piece is installed on the top of the inner side of the first installation end face, and the second fixing piece is installed on the top of the inner side of the second installation end face. According to the protective cover for the diaphragm valve, linkage is achieved through the outer cover, the reinforcing piece and the sleeve, so that the overall structural strength is improved, and the protective cover is not prone to being damaged when being impacted by external force.

Description

Technical Field

[0001] This utility model belongs to the field of diaphragm valve technology, specifically relating to a protective cover for diaphragm valves. Background Technology

[0002] The valve cover is an important component of a diaphragm valve. Its main function is to form a pressure chamber together with the valve body, protecting the internal diaphragm and actuation components. The structural strength of the valve cover has a significant impact on the performance and application range of the diaphragm valve. Utility Model Content

[0003] The main purpose of this utility model is to provide a protective cover for diaphragm valves, which improves the overall structural strength by linking the outer cover, reinforcing member and sleeve, making it less prone to damage when subjected to external impact.

[0004] To achieve the above objectives, this utility model provides a protective cover for a diaphragm valve, comprising an outer cover, a reinforcing member (to improve structural strength), and a sleeve, wherein:

[0005] The sleeve has a through-hole in the middle, and the top of the sleeve has a first mounting end face, a second mounting end face, a first fixing member, and a second fixing member. The first fixing member is installed on the inner top of the first mounting end face, and the second fixing member is installed on the inner top of the second mounting end face, wherein:

[0006] A first groove is provided between the first side of the first mounting end face and the first side of the second mounting end face, and a second groove is provided between the second side of the first mounting end face and the second end of the second mounting end face;

[0007] A first through hole is provided between the first side of the first fixing member and the first side of the second fixing member, and a second through hole is provided between the second side of the first fixing member and the second side of the second fixing member. The first through hole communicates with the first groove and the second through hole communicates with the second groove.

[0008] The outer cover covers the sleeve, and the top center of the outer cover is provided with a connecting hole, which is fixedly connected to the outer side of the first fixing member and the outer side of the second fixing member, respectively.

[0009] The reinforcing member is located between the outer cover and the sleeve. The reinforcing member has an integrally formed first step, second step, third step and fourth step from top to bottom. The inner side of the first step is fixedly connected to the outer side of the first fixing member and the outer side of the second fixing member, respectively. The bottom of the first step is fixedly connected to the first mounting end face and the second mounting end face, respectively, and the top of the first step is fixedly connected to the inner side of the top of the outer cover (increasing the structural strength between the outer cover and the sleeve). The outer side of the fourth step is fixedly connected to the inner side wall of the outer cover (improving the overall structural strength and preventing the outer cover from being easily damaged by external impact).

[0010] As a further preferred technical solution to the above technical solution, the intermediate through hole is provided with an internal thread (for threaded connection with the valve core of the diaphragm valve).

[0011] As a further preferred technical solution to the above technical solution, a positioning pin is also included, which is installed on the top of the sleeve.

[0012] As a further preferred embodiment of the above technical solution, one end of the positioning pin is installed in the first groove and the first through hole, and the other end of the positioning pin is installed in the second groove and the second through hole (for securing the sleeve).

[0013] As a further preferred embodiment of the above technical solution, the bottom of the sleeve is chamfered. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of this utility model.

[0016] Figure 3 This is a cross-sectional view of the present invention.

[0017] Figure 4 This is a structural schematic diagram of the present invention (outer cover is hidden).

[0018] Figure 5 This is a schematic diagram of the sleeve structure of this utility model.

[0019] The reference numerals in the accompanying drawings include: 10, outer cover; 11, connecting hole; 20, reinforcing member; 21, first step; 22, second step; 23, third step; 24, fourth step; 30, sleeve; 31, intermediate through hole; 32, first mounting end face; 33, second mounting end face; 34, first fixing member; 35, second fixing member; 361, first groove; 362, second groove; 363, first through hole; 364, second through hole. Detailed Implementation

[0020] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0021] This utility model discloses a protective cover for a diaphragm valve. The specific embodiments of the utility model are further described below with reference to preferred embodiments.

[0022] In the embodiments of this utility model, those skilled in the art will note that the diaphragm valves and the like involved in this utility model can be considered as prior art.

[0023] Preferred embodiment.

[0024] like Figure 1-5 As shown, this utility model discloses a protective cover for a diaphragm valve, including an outer cover 10, a reinforcing member 20 (to improve structural strength), and a sleeve 30, wherein:

[0025] The sleeve 30 has a through hole 31, and the top of the sleeve 30 has a first mounting end face 32, a second mounting end face 33, a first fixing member 34, and a second fixing member 35. The first fixing member 34 is installed on the inner top of the first mounting end face 32, and the second fixing member 35 is installed on the inner top of the second mounting end face 33, wherein:

[0026] A first groove 361 is provided between the first side of the first mounting end face 32 and the first side of the second mounting end face 33, and a second groove 362 is provided between the second side of the first mounting end face 32 and the second end of the second mounting end face 33.

[0027] A first through hole 363 is provided between the first side of the first fixing member 34 and the first side of the second fixing member 35, and a second through hole 364 is provided between the second side of the first fixing member 34 and the second side of the second fixing member 35. The first through hole 363 communicates with the first groove 361 and the second through hole 364 communicates with the second groove 362.

[0028] The outer cover 10 covers the sleeve 30 and the top center of the outer cover 10 is provided with a connecting hole 11, which is fixedly connected to the outer side of the first fixing member 34 and the outer side of the second fixing member 35 respectively.

[0029] The reinforcing member 20 is located between the outer cover 10 and the sleeve 30. The reinforcing member 20 has an integrally formed first step 21, second step 22, third step 23 and fourth step 24 from top to bottom. The inner side of the first step 21 is fixedly connected to the outer side of the first fixing member 34 and the outer side of the second fixing member 35, respectively. The bottom of the first step 21 is fixedly connected to the first mounting end face 32 and the second mounting end face 33, respectively, and the top of the first step 21 is fixedly connected to the inner top of the outer cover 10 (increasing the structural strength between the outer cover and the sleeve). The outer side of the fourth step 24 is fixedly connected to the inner side wall of the outer cover 10 (improving the overall structural strength and preventing the outer cover from being easily damaged by external impact).

[0030] Specifically, the intermediate through hole 11 is provided with internal threads (for threaded connection with the valve core of the diaphragm valve).

[0031] More specifically, it also includes a locating pin (not shown) that is mounted on the top of the sleeve 30.

[0032] Furthermore, one end of the positioning pin is installed in the first groove 361 and the first through hole 363, and the other end of the positioning pin is installed in the second groove 362 and the second through hole 364 (for securing the sleeve).

[0033] Furthermore, the bottom of the sleeve 30 is chamfered.

[0034] It is worth mentioning that the technical features such as diaphragm valves involved in this utility model patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement of these technical features can be adopted using conventional choices in the field, and should not be regarded as the inventive point of this utility model patent. This utility model patent will not elaborate further.

[0035] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A protective cover for a diaphragm valve, characterized by Includes outer casing, reinforcements, and sleeves, among which: The sleeve has a through-hole in the middle, and the top of the sleeve has a first mounting end face, a second mounting end face, a first fixing member, and a second fixing member. The first fixing member is installed on the inner top of the first mounting end face, and the second fixing member is installed on the inner top of the second mounting end face, wherein: A first groove is provided between the first side of the first mounting end face and the first side of the second mounting end face, and a second groove is provided between the second side of the first mounting end face and the second end of the second mounting end face; A first through hole is provided between the first side of the first fixing member and the first side of the second fixing member, and a second through hole is provided between the second side of the first fixing member and the second side of the second fixing member. The first through hole communicates with the first groove and the second through hole communicates with the second groove. The outer cover covers the sleeve, and the top center of the outer cover is provided with a connecting hole, which is fixedly connected to the outer side of the first fixing member and the outer side of the second fixing member, respectively. The reinforcing member is located between the outer cover and the sleeve. The reinforcing member has an integrally formed first step, second step, third step and fourth step from top to bottom. The inner side of the first step is fixedly connected to the outer side of the first fixing member and the outer side of the second fixing member, respectively. The bottom of the first step is fixedly connected to the first mounting end face and the second mounting end face, respectively, and the top of the first step is fixedly connected to the inner side of the top of the outer cover. The outer side of the fourth step is fixedly connected to the inner sidewall of the outer cover.

2. A protective cover for a diaphragm valve according to claim 1, wherein The intermediate through hole is provided with internal threads.

3. A protective cover for a diaphragm valve according to claim 2, wherein, It also includes a locating pin, which is installed on the top of the sleeve.

4. A protective cover for a diaphragm valve according to claim 3, wherein One end of the positioning pin is installed in the first groove and the first through hole, and the other end of the positioning pin is installed in the second groove and the second through hole.

5. A protective cover for a diaphragm valve according to claim 4, wherein, The bottom of the sleeve is chamfered.

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